openapi: 3.2.0
info:
  title: Zotgpt Chat API
  version: '1.0'
  contact:
    name: UCI OIT AI Team
    email: oit-ai@uci.edu
    url: https://zotgpt.uci.edu/help/
  x-refined-note:
  - x-lifecycle differs across the merged source definitions and was not carried
  - x-provenance differs across the merged source definitions and was not carried
  description: 'Operations tagged Chat across 2 of this provider''s published API definitions: zotgpt-api-openapi.yml, zotgpt-gateway-openapi.yml. Each path carries the servers of the definition it was published in.'
servers:
- url: https://api.zotgpt.uci.edu/v1
  description: Base URL published on the ZotGPT API service page. Did not resolve in public DNS on 2026-07-28.
  x-resolves-publicly: false
- url: https://api.azureapi.zotgpt.uci.edu/v1
  description: Base URL quoted in the migration guide as the "old" Azure API endpoint. Did not resolve in public DNS on 2026-07-28.
  x-resolves-publicly: false
- url: https://api.portkey.ai/v1
  description: OpenAI-compatible base URL, as documented for ZotGPT Gateway clients.
- url: https://api.portkey.ai
  description: Anthropic-style base URL, as documented for ZotGPT Gateway clients.
tags:
- name: Chat
  description: OpenAI-compatible chat completions.
paths:
  /chat/completions:
    post:
      tags:
      - Chat
      operationId: createChatCompletionLegacy
      summary: Create a chat completion (deprecated)
      deprecated: true
      description: OpenAI-compatible chat completion against the campus-hosted gpt-4o deployment, fronted by Azure API Management. Available to UCI faculty and staff after an approved ServiceNow request, with $200 in initial API credits. Retired in favor of the ZotGPT Gateway.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ChatCompletionRequest'
            examples:
              documented:
                summary: The model named on the service page
                value:
                  model: gpt-4o
                  messages:
                  - role: user
                    content: Explain retrieval augmented generation to a first-year student.
      responses:
        '200':
          description: A chat completion.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ChatCompletionResponse'
        '401':
          description: Missing or invalid bearer token, or a key disabled by the migration.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '429':
          description: Rate limited or out of credit by Azure API Management policy.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
      security:
      - bearerAuth: []
    servers:
    - url: https://api.zotgpt.uci.edu/v1
      description: Base URL published on the ZotGPT API service page. Did not resolve in public DNS on 2026-07-28.
      x-resolves-publicly: false
    - url: https://api.azureapi.zotgpt.uci.edu/v1
      description: Base URL quoted in the migration guide as the "old" Azure API endpoint. Did not resolve in public DNS on 2026-07-28.
      x-resolves-publicly: false
components:
  schemas:
    ChatCompletionResponse:
      type: object
      properties:
        id:
          type: string
        object:
          type: string
        created:
          type: integer
        model:
          type: string
        choices:
          type: array
          items:
            type: object
            properties:
              index:
                type: integer
              message:
                $ref: '#/components/schemas/Message'
              finish_reason:
                type: string
        usage:
          type: object
          properties:
            prompt_tokens:
              type: integer
            completion_tokens:
              type: integer
            total_tokens:
              type: integer
      additionalProperties: true
    Message:
      type: object
      required:
      - role
      - content
      properties:
        role:
          type: string
          enum:
          - system
          - user
          - assistant
        content:
          type: string
    ChatCompletionRequest:
      type: object
      required:
      - model
      - messages
      properties:
        model:
          type: string
          description: gpt-4o was the only model named as available on the service page, with "additional models coming soon."
          examples:
          - gpt-4o
        messages:
          type: array
          items:
            $ref: '#/components/schemas/Message'
        stream:
          type: boolean
        temperature:
          type: number
        max_tokens:
          type: integer
      additionalProperties: true
    Error:
      type: object
      properties:
        error:
          type: object
          properties:
            message:
              type: string
            type:
              type: string
            code:
              type: string
    ChatCompletionRequest_2:
      type: object
      required:
      - model
      - messages
      properties:
        model:
          type: string
          description: A model slug from the ZotGPT campus Model Catalog, optionally prefixed with a UCI provider alias.
        messages:
          type: array
          items:
            $ref: '#/components/schemas/Message'
        stream:
          type: boolean
          default: false
        temperature:
          type: number
        max_tokens:
          type: integer
      additionalProperties: true
    ChatCompletionResponse_2:
      type: object
      properties:
        id:
          type: string
        object:
          type: string
        created:
          type: integer
        model:
          type: string
        choices:
          type: array
          items:
            type: object
            properties:
              index:
                type: integer
              message:
                $ref: '#/components/schemas/Message'
              finish_reason:
                type: string
        usage:
          $ref: '#/components/schemas/Usage'
      additionalProperties: true
    Usage:
      type: object
      description: Token accounting, which is what the campus budget tiers are drawn against.
      properties:
        prompt_tokens:
          type: integer
        completion_tokens:
          type: integer
        total_tokens:
          type: integer
  parameters:
    PortkeyProvider:
      name: x-portkey-provider
      in: header
      required: false
      description: The UCI provider alias to route to, for example "@zotgpt-api-bedrock" or "@openai-prod". May also be carried as a prefix on the model slug.
      schema:
        type: string
        examples:
        - '@zotgpt-api-bedrock'
        - '@openai-prod'
  responses:
    BudgetOrRateLimited:
      description: Request rejected by rate limiting or by the per-key spend limit / workspace budget enforcement UCI applies to virtual keys.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    Unauthorized:
      description: Missing, revoked, or non-UCI virtual key.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: API key issued through the Azure API Management developer portal at portal.azureapi.zotgpt.uci.edu, presented in the Authorization header.
    virtualKey:
      type: apiKey
      in: header
      name: x-portkey-api-key
      description: A workspace virtual API key minted by the user in the ZotGPT Gateway portal after signing in with UCInetID. UCI documents it as "treat as a password." Bearer-scheme presentation is documented for Anthropic-style clients such as Claude Desktop.
x-refined-from:
- zotgpt-api-openapi.yml
- zotgpt-gateway-openapi.yml